Product Description Tetra Gun Carbon Cleaner Parts Wash is an advanced cleaner which quickly removes carbon buildup and powder fouling. This cleaner is ammonia free and is formulated with a rust inhibitor. Tetra Gun Carbon Cleaner 4 oz Liquid at MidwayUSA $6.79 Buy Now Check Price on Amazon Check Price on eBay Category: Gun Cleaning SuppliesColor: MultiSize: 4 oz